The GOPD

 is a godly neutral Dragon minion from the Classic set.

Obtaining
The GOPD is obtainable by buying Classic card packs. In order to craft his more rarer versions, you will need Shard Dust and to beat some quests.

Strategy
The GOPD is a strong body and is very viable in aggro decks. As a Basic minion, he requires no tributes or Dials to summon, which means at any point in the game his power is immense.

Lore
The GOPD is a portal-making dragon made by the Golden Oculus for their experiments in spacial and temporal travel.

Trivia

 * Its flavor text references the fact it was the only basic dragon minion in the game, until the release of Heroes of Outhria which added the Jewel Dragon archetype.